Relationship between the position of the plaque signal intensity identified by 3D-FSE T1W MR plaque imaging and development of microembolic signals on transcranial Doppler during exposure procedure of carotid arteries in endarterectomy

Preoperative 2D MR carotid plaque imaging can assess plaque vulnerability. It may allow improved risk stratification for patients considered for CEA and may be associated with development of
MES during CEA. On the other hand, it is unclear
what position of high signal intensity in the plaque, especially at the position showing maximum
stenosis or maximum signal intensity, is deeply associated with MES, and it is difficult to validate it by the 2D plaque imaging. The aim of the present study was to determine where in the plaque is deeply associated with development of MES
on TCD during CEA in carotid artery stenosis, using 3D-FSE T1W plaque
imaging.

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